英文關鍵字
server
fire
security
system
line
symbol
cyber
technology
software
application
padlock
password
data
base
information
protection
from
virus
developing
threat
defense
antivirus
hacker
digital
thief
key
attack
database
encrypt
confidential
fraud
internet
problem
program
trojan
policy
code
tool
folder
crime
binary
coding
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
color